SPI-bus Real-Time Clock and calendar | NXP Semiconductors

SPI-Bus Real-Time Clock and Calendar

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Block Diagram

PCA21125 Block Diagram

PCA21125 Block Diagram

Features

Key Features

  • AEC Q100 compliant for automotive applications
  • Provides year, month, day, weekday, hours, minutes, and seconds based on 32.768 kHz quartz crystal
  • Resolution: seconds to years
  • Clock operating voltage: 1.3 V to 5.5 V
  • Low supply current: typical 0.8 μA at Tamb = 25 °C
  • 4-line SPI-bus with separate, but combinable data input and output
  • Serial interface at VDD = 1.6 V to 5.5 V
  • 1 second or 1 minute interrupt output
  • Freely programmable timer with interrupt capability
  • Freely programmable alarm function with interrupt capability
  • Integrated oscillator capacitor
  • Internal Power-On Reset (POR)
  • Open-drain interrupt pin

Buy/Parametrics

1 result

Include 0 NRND

Order

CAD Model

Status

Budgetary Price excluding tax

Integrated Temperature Compensation

VDD (clock)

Package Type

Package Dimensions (LxWxZ (mm))

Package Pitch (mm)

Package Termination Count

Package Area (mm2)

Ambient Operating Temperature (Min to Max) (℃)

VDD (interface)

Communication protocol

Battery Back Up

Watchdog timer

Programmable alarm

Countdown Timer

AEC-Q100 compliant

Active

1K @ US$0.82

N

1.3 to 5.5

TSSOP14

5 x 4.4 x 1.1

0.65

14

33.66

-40 to 125

1.6 to 5.5

SPI

No

Y

Y

Y

Y

Documentation

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1-5 of 8 documents

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Design Files

Hardware

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1 hardware offering

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